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[deliverable/binutils-gdb.git] / ld / testsuite / ld-plugin / lto.exp
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af55061b 1# Expect script for ld-plugin LTO tests
219d1afa 2# Copyright (C) 2011-2018 Free Software Foundation, Inc.
af55061b
L		 3#
4# This file is part of the GNU Binutils.
5#
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19# MA 02110-1301, USA.
20
47523653
AM		 21# Check to see if the C and C++ compilers work
22if { [which $CC] == 0 || [which $CXX] == 0 } {
4ce6ca2c
AM		 23 return
24}
25
af55061b
L		 26# These tests require plugin and LTO.
27if { ![check_plugin_api_available]
28 || ![check_lto_available] } {
29 return
30}
31
fef75122
L		 32global INT128_CFLAGS
33
af55061b
L		 34global CFLAGS
35global CXXFLAGS
36set saved_CFLAGS "$CFLAGS"
37set saved_CXXFLAGS "$CXXFLAGS"
17c34b8f
AS		 38regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS
39regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS
af55061b
L		 40
41proc restore_notify { } {
42 global saved_CFLAGS
43 global saved_CXXFLAGS
44 set CFLAGS "$saved_CFLAGS"
45 set CXXFLAGS "$saved_CXXFLAGS"
46}
47
c3e11cbe
AM		 48set plugin_names {
49 liblto_plugin.so
50 liblto_plugin-0.dll
51 cyglto_plugin-0.dll
af55061b 52}
c3e11cbe
AM		 53set plug_opt ""
54foreach plug $plugin_names {
4dea914e
AM		 55 set plug_so [run_host_cmd $CC "--print-prog-name $plug"]
56 if { $plug_so eq $plug } then {
57 set plug_so [run_host_cmd $CC "--print-file-name $plug"]
58 }
c3e11cbe
AM		 59 if { $plug_so ne $plug } then {
60 set plug_opt "--plugin $plug_so"
61 break
62 }
63}
64set lto_fat ""
c5847ba7 65set lto_no_fat ""
c3e11cbe
AM		 66if { [check_lto_fat_available] } {
67 set lto_fat "-ffat-lto-objects"
c5847ba7 68 set lto_no_fat "-fno-fat-lto-objects"
c3e11cbe
AM		 69}
70
71# Simple LTO tests and generate input files for complex LTO tests.
72set lto_link_tests [list \
73 [list "LTO 1" \
74 "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin" \
75 {lto-1a.c lto-1b.c} {} "lto-1.exe"] \
76 [list "Compile 2" \
77 "" "-O2 -flto -fuse-linker-plugin" \
78 {lto-2.c} {} ""] \
79 [list "LTO 2" \
80 "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" "" \
81 {dummy.c} {} "lto-2.exe"] \
82 [list "Compile 3a" \
83 "" "-flto" \
84 {lto-3a.c} {} ""] \
85 [list "Compile 3c" \
86 "" "-O2" \
87 {lto-3c.c} {} ""] \
88 [list "Build liblto-3.a" \
89 "" "-flto $lto_fat" \
90 {lto-3b.c} {} "liblto-3.a"] \
91 [list "Compile 5a" \
92 "" "-flto $lto_fat" \
93 {lto-5a.c} {} ""] \
94 [list "Compile 5b" \
95 "" "-flto $lto_fat" \
96 {lto-5b.c} {} ""] \
97 [list "LTO 6" \
98 "-O2 -flto -fuse-linker-plugin" "" \
99 {lto-6.c} {} "lto-6.exe" "c"] \
60f79275
L		 100 [list "Compile PR ld/12365" \
101 "" "-flto -O2 $lto_fat" \
102 {pr12365a.c pr12365b.c pr12365c.c} {} ""] \
c3e11cbe
AM		 103 [list "Compile 9" \
104 "" "-O2 -finline -flto" \
105 {lto-9.cc} {} "" "c++"] \
106 [list "Compile 11a" \
107 "" "-O -flto" \
108 {lto-11a.c} {} ""] \
109 [list "Compile 11b" \
110 "" "-O -flto" \
111 {lto-11b.c} {} ""] \
112 [list "Compile 11c" \
113 "" "-O" \
114 {lto-11c.c} {} ""] \
115 [list "Build liblto-12.a" \
116 "$plug_opt" "-O2 -flto" \
117 {lto-12c.c} {} "liblto-12.a"] \
118 [list "Compile 12" \
119 "" "-O2 -flto" \
120 {lto-12a.c lto-12b.c} {} ""] \
121 [list "Compile 13" \
122 "" "-O2 -flto" \
123 {lto-13a.c lto-13b.c} {} ""] \
124 [list "Build liblto-13.a" \
125 "" "-O2" \
126 {lto-13c.c} {} "liblto-13.a"] \
127 [list "Compile 14a" \
128 "" "-flto" \
129 {lto-14a.c lto-14b.c} {} ""] \
130 [list "Build liblto-14.a" \
131 "$plug_opt" "-flto" \
132 {lto-14c.c} {} "liblto-14.a"] \
133 [list "Compile 15a" \
134 "" "-flto" \
135 {lto-15a.c} {} ""] \
136 [list "Build liblto-15.a" \
137 "$plug_opt" "-flto" \
138 {lto-15b.c} {} "liblto-15.a"] \
139 [list "PR ld/12696" \
140 "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto" \
141 {pr12696-1.cc} {} "pr12696-1r.o" "c++"] \
142 [list "Compile PR ld/12758" \
143 "" "" \
144 {pr12758a.s} {} ""] \
145 [list "Build libpr12758.a" \
146 "" "-flto -O2 $lto_fat" \
147 {pr12758b.c} {} "libpr12758.a"] \
148 [list "PR ld/12758" \
149 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" \
150 {dummy.c} {} "pr12758.exe"] \
151 [list "Compile PR ld/12760" \
152 "" "-g -O0" \
153 {pr12760a.c} {} ""] \
154 [list "Build libpr12760.a" \
155 "" "-flto -O2 $lto_fat" \
156 {pr12760b.c} {} "libpr12760.a"] \
157 [list "PR ld/12760" \
158 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" \
2bd7f877
AB		 159 {dummy.c} {{warning "pr12760a.c:6: warning: Bad \\.?bar"}} \
160 "pr12760.exe" "c"] \
c3e11cbe
AM		 161 [list "Build libpr13183.a" \
162 "-T" "-flto -O2 $lto_fat" \
163 {pr13183a.c} {} "libpr13183.a"] \
164 [list "Compile PR ld/13183" \
165 "" "-flto -O2" \
166 {pr13183b.c} {} ""] \
167 [list "Compile PR ld/13201" \
168 "" "-flto -O2" \
169 {pr13201.c} {} ""] \
170 [list "PR ld/13287" \
171 "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto" \
172 {pr13287.cc} {} "pr13287.exe" "c++"] \
6d636d8c 173 [list "PR ld/15323 (1)" \
c3e11cbe
AM		 174 "" "-O2" \
175 {pr15323a.c} {} "" "c"] \
6d636d8c
L		 176 [list "PR ld/15323 (2)" \
177 "-O2 -flto -r -nostdlib" "-O2 -flto" \
178 {pr15323a.c} {} "pr15323a-r.o" "c"] \
c3e11cbe
AM		 179 [list "Compile(1) PR ld/pr16846" \
180 "" "-flto" \
181 {pr16846a.c pr16846b.c} {} ""] \
182 [list "Compile(2) PR ld/pr16846" \
183 "" "" \
184 {pr16846c.c} {} ""] \
185 [list "PR ld/pr16846(1)" \
186 "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846b.o tmpdir/pr16846c.o" "" \
187 {dummy.c} {} "pr16846a.exe"] \
188 [list "PR ld/pr16846(2)" \
189 "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" "" \
190 {dummy.c} {} "pr16846b.exe"] \
c5847ba7
L		 191 [list "PR ld/19317 (1)" \
192 "$plug_opt" "-flto $lto_no_fat" \
193 {pr19317.c} {} "libpr19317.a"] \
0616a280
AM		 194 [list "Build pr20276a.o" \
195 "" "-fno-lto" \
196 {pr20276a.c}] \
197 [list "Build pr20276b.o" \
198 "$plug_opt" "-flto $lto_no_fat" \
199 {pr20276b.c}] \
7dc3990e
L		 200 [list "Build pr20267a.o" \
201 "" "" \
202 {pr20267a.c}] \
203 [list "Build libpr20267a.a" \
204 "$plug_opt" "-flto $lto_fat" \
205 {pr20267b.c} {} "libpr20267a.a"] \
206 [list "Build libpr20267b.a" \
207 "$plug_opt" "-flto $lto_no_fat" \
208 {pr20267b.c} {} "libpr20267b.a"] \
c3e1c28e 209 [list "Build pr20321" \
29d7478b 210 "-flto -Wl,-plugin,$plug_so" "-flto" \
2bd7f877
AB		 211 {pr20321.c} {{warning ".*: duplicated plugin"}} \
212 "pr20321" "c"] \
a83ef4d1
L		 213 [list "Build pr22502a.o" \
214 "" "" \
215 {pr22502a.c}] \
216 [list "Build pr22502b.o" \
217 "$plug_opt" "-flto $lto_no_fat" \
218 {pr22502b.c}] \
fef75122
L		 219 [list "Build pr22751.a" \
220 "$plug_opt" "-flto $lto_no_fat $INT128_CFLAGS" \
221 {pr22751.c} {} "pr22751.a"] \
c3e11cbe 222]
af55061b 223
2810e26c 224if { [at_least_gcc_version 4 7] } {
c3e11cbe
AM		 225 set lto_link_tests [concat $lto_link_tests [list \
226 [list "Compile PR ld/12942 (1)" \
227 "" "-flto -O2" \
228 {pr12942a.cc pr12942c.cc} {} "" "c++"] \
229 [list "Compile PR ld/12942 (2)" \
230 "" "-O0" \
231 {pr12942b.cc} {} "" "c++"] \
232 ]]
2810e26c
WN		 233}
234
077c11e8 235set lto_compile_elf_tests [list \
c3e11cbe
AM		 236 [list "Compile 7" \
237 "" "-flto -O2" \
238 {lto-7a.c lto-7b.c lto-7c.c} {} ""] \
c3e11cbe
AM		 239 [list "Compile 8a" \
240 "" "-O2" \
241 {lto-8a.c} {} ""] \
242 [list "Compile 8b" \
243 "" "-flto -O2" \
244 {lto-8b.c} {} ""] \
077c11e8
JW		 245]
246
247# Generate input files for complex LTO tests for ELF.
248set lto_link_elf_tests [list \
249 [list "Build liblto-7.so" \
250 "-shared" "-O2 -fpic" \
251 {lto-7d.c} {} "liblto-7.so" "c"] \
c3e11cbe
AM		 252 [list "Build liblto-17a.so" \
253 "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto" \
254 {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"] \
255 [list "Build liblto-17b.so 1" \
256 "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \
257 {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"] \
258 [list "Build liblto-17b.so 2" \
259 "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \
260 {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"] \
261 [list "PR ld/12982" \
262 "-O2 -flto -fuse-linker-plugin" "-O2 -flto" \
263 {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"] \
264 [list "PR ld/12975" \
265 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto" \
266 {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"] \
267 [list "PR ld/13229" \
268 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto" \
269 {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"] \
270 [list "PR ld/13244" \
271 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto" \
272 {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"] \
273 [list "Build libpr15146a.a" \
274 "$plug_opt" "-flto -O2" \
275 {pr15146a.c} {} "lib15146a.a"] \
276 [list "Build pr15146b.so" \
277 "-shared" "-O2 -fpic" \
278 {pr15146b.c} {} "pr15146b.so" "c"] \
279 [list "Build pr15146c.so" \
280 "-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic" \
281 {pr15146c.c} {} "pr15146c.so" "c"] \
282 [list "PR ld/15146 (1)" \
283 "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" "" \
284 {dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"] \
285 [list "Build libpr15146d.a" \
286 "$plug_opt" "-flto -O2" \
287 {pr15146d.c} {} "lib15146d.a"] \
db712946
L		 288 [list "Build libpr16746a.a" \
289 "" "" \
290 {pr16746a.c pr16746b.c} {} "lib15146a.a"] \
291 [list "Build libpr16746b.a" \
292 "$plug_opt" "-O2 -flto" \
293 {pr16746c.c pr16746d.c} {} "lib15146b.a"] \
294 [list "PR ld/16746 (1)" \
295 "-O2 -flto -fuse-linker-plugin tmpdir/pr16746a.o tmpdir/pr16746c.o" "-O2 -flto" \
296 {dummy.c} {} "pr16746a.exe"] \
297 [list "PR ld/16746 (2)" \
298 "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \
299 {dummy.c} {} "pr16746b.exe"] \
59fa66c5
L		 300 [list "Build pr21382a.o" \
301 "" "-O2 -flto" \
302 {pr21382a.c} {} "" "c"] \
303 [list "Build pr21382.so" \
304 "-shared" "-O2 -fpic" \
305 {pr21382b.c} {} "pr21382.so" "c"] \
1a3b5c34
AM		 306 [list {Build pr22220lib.so} \
307 {-shared -Wl,--version-script=pr22220lib.ver} {-fPIC} \
308 {pr22220lib.cc} {} {pr22220lib.so} {c++}] \
309 [list {Build pr22220main.o} \
310 {} {-flto} \
311 {pr22220main.cc} {} {} {c++}] \
c3e11cbe 312]
af55061b 313
231ca753
NC		 314# PR 14918 checks that libgcc is not spuriously included in a shared link of
315# an empty program. The ARM crt1.o startup code however calls __libc_csu_init
316# in /usr/lib/libc_nonshared.a(elf-init.oS). This in turn needs
317# __aeabi_unwind_cpp_pr0@@GCC_3.5 which is provided by libgcc_s.so.1, so the
318# test fails. Hence this code to skip the test.
319if { ! [istarget "arm*-*-*"] } {
320 set lto_link_elf_tests [concat $lto_link_elf_tests [list \
321 [list "PR ld/14918" \
322 "-flto" "-flto" \
323 {pr14918.c} {{"readelf" {-d --wide} "pr14918.d"}} "pr14918.exe" "c"] \
324 ]]
325}
326
af55061b 327# Check final symbols in executables.
c3e11cbe
AM		 328set lto_link_symbol_tests [list \
329 [list "LTO 3 symbol" \
330 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \
331 {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"] \
332 [list "LTO 5 symbol" \
333 "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \
334 {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"] \
335 [list "LTO 9 symbol" \
336 "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" "" \
337 {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"] \
338 [list "LTO 16a symbol" \
339 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto" \
340 {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"] \
341 [list "LTO 16b symbol" \
342 "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto" \
343 {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"] \
344 [list "PR ld/13183" \
345 "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" "" \
346 {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"] \
347]
af55061b
L		 348
349# LTO run-time tests.
c3e11cbe
AM		 350set lto_run_tests [list \
351 [list "LTO 3a" \
352 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \
353 {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"] \
354 [list "LTO 3b" \
355 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" "" \
356 {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"] \
357 [list "LTO 3c" \
358 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \
359 {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \
360 [list "LTO 5" \
361 "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \
362 {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \
363 [list "LTO 11" \
364 "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \
365 {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \
366 [list "LTO 12a" \
367 "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" "" \
368 {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"] \
369 [list "LTO 12b" \
370 "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" "" \
371 {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"] \
372 [list "LTO 13" \
373 "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" "" \
374 {dummy.c} "lto-13.exe" "lto-13.out" "" "c"] \
375 [list "LTO 14" \
376 "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" "" \
377 {dummy.c} "lto-14.exe" "lto-14.out" "" "c"] \
378 [list "LTO 15" \
379 "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" "" \
380 {dummy.c} "lto-15.exe" "lto-15.out" "" "c"] \
381 [list "PR ld/13066" \
382 "-O2 -flto -fuse-linker-plugin" "" \
383 {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"] \
384 [list "PR ld/13201" \
385 "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" "" \
386 {dummy.c} "pr13201.exe" "pr13201.out" "" "c"] \
6d636d8c 387 [list "PR ld/15323 (3)" \
c3e11cbe
AM		 388 "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" "" \
389 {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"] \
6d636d8c
L		 390 [list "PR ld/15323 (4)" \
391 "-O2 -flto tmpdir/pr15323a-r.o" "" \
392 {dummy.c} "pr15323a.exe" "pr15323.out" "-flto -O2" "c"] \
c5847ba7
L		 393 [list "PR ld/19317 (3)" \
394 "-O2 -flto tmpdir/pr19317-r.o" "" \
395 {dummy.c} "pr19317.exe" "pr19317.out" "-flto -O2" "c"] \
0616a280
AM		 396 [list "Run pr20276" \
397 "-O2 -flto tmpdir/pr20276a.o tmpdir/pr20276b.o" "" \
398 {dummy.c} "pr20276" "pass.out" "-flto -O2" "c"] \
7dc3990e
L		 399 [list "Run pr20267a" \
400 "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267a.a" "" \
401 {dummy.c} "pr20267a" "pass.out" "-flto -O2" "c"] \
402 [list "Run pr20267b" \
403 "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267b.a" "" \
404 {dummy.c} "pr20267b" "pass.out" "-flto -O2" "c"] \
a83ef4d1
L		 405 [list "Run pr22502" \
406 "-O2 -flto tmpdir/pr22502a.o tmpdir/pr22502b.o" "" \
407 {dummy.c} "pr20267" "pass.out" "-flto -O2" "c"] \
fef75122
L		 408 [list "Run pr22751" \
409 "-O2 -flto" "" \
410 {dummy.c} "pr22751" "pass.out" "-flto -O2" "c" "" \
411 "-Wl,--whole-archive tmpdir/pr22751.a -Wl,--no-whole-archive"] \
c3e11cbe 412]
af55061b 413
2810e26c 414if { [at_least_gcc_version 4 7] } {
c3e11cbe
AM		 415 set lto_run_tests [concat $lto_run_tests [list \
416 [list "PR ld/12942 (1)" \
417 "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" "" \
418 {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"] \
419 [list "PR ld/12942 (2)" \
420 "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" "" \
421 {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"] \
422 ]]
2810e26c
WN		 423}
424
077c11e8
JW		 425# LTO run-time tests for ELF which require shared library support.
426set lto_run_elf_shared_tests [list \
c3e11cbe
AM		 427 [list "LTO 7" \
428 "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o -Wl,--no-as-needed tmpdir/liblto-7.so" "" \
429 {dummy.c} "lto-7.exe" "lto-7.out" "" "c"] \
59fa66c5
L		 430 [list "Run pr21382" \
431 "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr21382a.o tmpdir/pr21382.so" "" \
432 {dummy.c} "pr21382.exe" "pass.out" "" "c"] \
1a3b5c34
AM		 433 [list {pr22220a} \
434 {-flto -fuse-linker-plugin tmpdir/pr22220main.o tmpdir/pr22220lib.so} {} \
435 {dummy.c} {pr22220a.exe} {pass.out} {} {c++}] \
436 [list {pr22220b} \
437 {-flto -fuse-linker-plugin -Wl,--no-as-needed tmpdir/pr22220lib.so tmpdir/pr22220main.o} {} \
438 {dummy.c} {pr22220b.exe} {pass.out} {} {c++}] \
077c11e8
JW		 439]
440
441# LTO run-time tests for ELF
442set lto_run_elf_tests [list \
c3e11cbe
AM		 443 [list "LTO 8" \
444 "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" "" \
445 {dummy.c} "lto-8.exe" "lto-8.out" "" "c"] \
446 [list "LTO TLS IE" \
447 "-O2 -flto -fuse-linker-plugin" "" \
448 {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"] \
449]
af55061b
L		 450
451run_cc_link_tests $lto_link_tests
452
077c11e8
JW		 453# These compilation tests generate intermediate object files which will be used
454# by some elf tests besides shared libs tests. So, always compile them.
455run_cc_link_tests $lto_compile_elf_tests
456
36591ba1 457# Restrict these to ELF targets that support shared libs and PIC.
92c09111 458if { [is_elf_format] && [check_lto_shared_available] } {
af55061b 459 run_cc_link_tests $lto_link_elf_tests
3d5bef4c 460 set testname "PR ld/15146 (2)"
f1d7f4a6 461 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"]
4e95fbcd 462 if { [ regexp "undefined reference to symbol '\\.?xxx'" $exec_output ] } {
3d5bef4c
L		 463 pass $testname
464 } {
465 fail $testname
466 }
db712946
L		 467 set testname "PR ld/16746 (3)"
468 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746b.o tmpdir/pr16746d.o"]
4e95fbcd 469 if { [ regexp "warning: \\.?foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } {
db712946
L		 470 pass $testname
471 } {
472 fail $testname
473 }
474 set testname "PR ld/16746 (4)"
475 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746d.o tmpdir/pr16746b.o"]
4e95fbcd 476 if { [ regexp "warning: \\.?foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } {
db712946
L		 477 pass $testname
478 } {
479 fail $testname
480 }
af55061b
L		 481}
482
483set testname "Build liblto-11.a"
484remote_file host delete "tmpdir/liblto-11.a"
37a6ac44 485set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
af55061b
L		 486if {![string match "" $catch_output]} {
487 unresolved $testname
488 restore_notify
489 return
490}
491
2810e26c
WN		 492if { [at_least_gcc_version 4 7] } {
493 # Check expected LTO linker errors.
9e2dec47
L		 494 # Since the asm symbol name hack in pr12365b.c doesn't work on all
495 # targets, run PR ld/12365 tests only for known targets.
496 if { ([istarget "i?86-*-elf*"]
497 || (([istarget "i?86-*-linux*"] || [istarget "i?86-*-gnu*"])
498 && ![istarget "*-*-*aout*"]
499 && ![istarget "*-*-*oldld*"])
500 || [istarget "i?86-*-nacl*"]
501 || [istarget "x86_64-*-nacl*"]
502 || [istarget "x86_64-*-linux*"]
503 || [istarget "amd64-*-linux*"]) } {
504 set testname "PR ld/12365"
ef621b15 505 set exec_output [run_host_cmd "$CC" "-O2 -flto -flto-partition=none -fuse-linker-plugin -o tmpdir/pr12365 tmpdir/pr12365a.o tmpdir/pr12365b.o tmpdir/pr12365c.o"]
9e2dec47 506 if { [ regexp "undefined reference to `my_bcopy'" $exec_output ] } {
ef621b15
L		 507 # Linker should catch the reference to undefined `my_bcopy'
508 # error caused by a GCC bug.
9e2dec47 509 pass $testname
ef621b15
L		 510 } elseif { [ string match "" $exec_output ] } {
511 global READELF
512 set exec_output [run_host_cmd "$READELF" "-s -W tmpdir/pr12365"]
513 if { [ regexp "my_bcopy" $exec_output ] } {
514 # Verify that there is no `my_bcopy' symbol in executable.
515 fail $testname
516 } {
517 pass $testname
518 }
9e2dec47
L		 519 } {
520 fail $testname
521 }
8a1b824a
L		 522
523 run_cc_link_tests [list \
524 [list \
525 "Build pr22721a.so" \
526 "-shared -nostdlib -nostartfiles -Wl,-version-script,pr22721.t" \
527 "" \
528 {pr22721a.s} \
529 {} \
530 "pr22721a.so" \
531 ] \
532 [list \
533 "Build pr22721b.o" \
534 "$plug_opt" \
535 "-O2 -fPIC -flto $lto_no_fat" \
536 {pr22721b.c} \
537 ] \
538 [list \
539 "Build PR ld/pr22721" \
540 "-O2 -flto -fuse-linker-plugin -nostdlib -nostartfiles \
541 -Wl,-e,_start tmpdir/pr22721b.o tmpdir/pr22721a.so" \
542 "" \
543 {dummy.c} \
544 {} \
545 "pr22721.exe"
546 ] \
547 ]
60f79275 548 }
2810e26c 549 set testname "PR ld/12942 (3)"
f1d7f4a6 550 set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
4e95fbcd 551 if { [ regexp "undefined reference to `\\.?link_error\\(\\)'" $exec_output ] } {
2810e26c
WN		 552 pass $testname
553 } {
554 fail $testname
555 }
af55061b
L		 556}
557
558# Run "ld -r" to generate inputs for complex LTO tests.
559run_dump_test "lto-3r"
560remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o"
561run_dump_test "lto-5r"
562remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o"
563
564run_cc_link_tests $lto_link_symbol_tests
565
c5847ba7
L		 566run_ld_link_tests [list \
567 [list "PR ld/19317 (2)" \
568 "-r tmpdir/pr19317.o" "" "" \
569 {dummy.s} {} "pr19317-r.o"] \
570]
571
982c6f26 572run_ld_link_exec_tests $lto_run_tests
af55061b
L		 573
574if { [is_elf_format] } {
982c6f26 575 run_ld_link_exec_tests $lto_run_elf_tests
af55061b
L		 576}
577
077c11e8
JW		 578if { [is_elf_format] && [check_lto_shared_available] } {
579 run_ld_link_exec_tests $lto_run_elf_shared_tests
580}
581
b95a0a31
L		 582proc pr20103 {cflags libs} {
583 global CC
584
585 set testname "PR ld/20103 ($cflags $libs)"
586 set exec_output [run_host_cmd "$CC" "$cflags $libs"]
4e95fbcd 587 if { [ regexp "undefined reference to `\\.?dead'" $exec_output ] } {
b95a0a31
L		 588 pass "$testname (1)"
589 } {
590 fail "$testname (1)"
591 }
592 if { [ regexp "plugin needed to handle lto object" $exec_output ] } {
593 fail "$testname (2)"
594 } {
595 pass "$testname (2)"
596 }
597}
598
599if { [check_lto_fat_available] } {
600 run_cc_link_tests [list \
601 [list \
602 "Build fatpr20103a.a" \
603 "$plug_opt" "-flto -ffat-lto-objects" \
604 {pr20103a.c} {} "fatpr20103a.a"
605 ] \
606 [list \
607 "Build fatpr20103b.a" \
608 "$plug_opt" "-flto -ffat-lto-objects" \
609 {pr20103b.c} {} "fatpr20103b.a"
610 ] \
611 [list \
612 "Build fatpr20103c.a" \
613 "$plug_opt" "-flto -ffat-lto-objects" \
614 {pr20103c.c} {} "fatpr20103c.a" \
615 ] \
616 [list \
617 "Build thinpr20103a.a" \
618 "$plug_opt" "-flto -fno-fat-lto-objects" \
619 {pr20103a.c} {} "thinpr20103a.a"
620 ] \
621 [list \
622 "Build thinpr20103b.a" \
623 "$plug_opt" "-flto -fno-fat-lto-objects" \
624 {pr20103b.c} {} "thinpr20103b.a"
625 ] \
626 [list \
627 "Build thinpr20103c.a" \
628 "$plug_opt" "-flto -fno-fat-lto-objects" \
629 {pr20103c.c} {} "thinpr20103c.a" \
630 ] \
631 [list \
632 "Build pr20103a" \
633 "-O2 -flto -Wl,--start-group tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a -Wl,--end-group" \
634 "-O2 -flto" \
635 {dummy.c} {} "pr20103a" \
636 ] \
637 [list \
638 "Build pr20103b" \
639 "-O2 -flto -Wl,--start-group tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a -Wl,--end-group" \
640 "-O2 -flto" \
641 {dummy.c} {} "pr20103b" \
642 ] \
643 [list \
644 "Build pr20103c" \
645 "-O2 -Wl,--start-group tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a -Wl,--end-group" \
646 "-O2" \
647 {dummy.c} {} "pr20103c" \
648 ] \
649 ]
650 pr20103 "-O2 -flto" "tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a"
651 pr20103 "-O2 -flto" "tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a"
652 pr20103 "-O2" "tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a"
653
654 if { [at_least_gcc_version 4 9] } {
655 run_cc_link_tests [list \
656 [list \
657 "Build pr20103d" \
658 "-O2 -Wl,--start-group tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a -Wl,--end-group" \
659 "-O2" \
660 {dummy.c} {} "pr20103d" \
661 ] \
662 ]
663 pr20103 "-O2" "tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a"
664 }
665}
666
af55061b 667restore_notify
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